ISRO CSE 2009

Question 1
The subnet mask for a particular network is 255.255.31.0. Which of the following pairs of IP addresses could belong to this network?
A
172.57.88.62 and 172.56.87.23
B
10.35.28.2 and 10.35.29.4
C
191.203.31.87 and 191.234.31.88
D
128.8.129.43 and 128.8.161.55
Computer Network   Network Layer Protocol
Question 2
In networking, UTP stands for
A
Unshielded T-connector port
B
Unshielded twisted pair
C
Unshielded terminating pair
D
Unshielded transmission process
Computer Network   Transport Layer Protocol
Question 3
The address resolution protocol (ARP) is used for
A
Finding the IP address from the DNS
B
Finding the IP address of the default gateway
C
Finding the IP address that corresponds to a MAC address
D
Finding the MAC address that corresponds to an IP address
Computer Network   Network Layer Protocol
Question 4
Which of the following is a MAC address?
A
192.166.200.50
B
00056A:01A01A5CCA7FF60
C
568, Airport Road
D
01:A5:BB:A7:FF:60
Computer Network   Data Link Layer
Question 5
What is the primary purpose of a VLAN?
A
Demonstrating the proper layout for a network
B
Simulating a network
C
To create a virtual private network
D
Segmenting a network inside a switch or device
Computer Network   Network Layer Protocol
Question 6
SHA-1 is a
A
encryption algorithm
B
decryption algorithm
C
key exchange algorithm
D
message digest function
Computer Network   Network Security
Question 7
Advanced Encryption Standard (AES) is based on
A
Asymmetric key algorithm
B
Symmetric key algorithm
C
Public key algorithm
D
Key exchange
Computer Network   Network Security
Question 8
The primary purpose of an operating system is
A
To make most efficient use of the computer hardware
B
To allow people to use the computer
C
To keep systems programmers employed
D
To make computers easier to use
Operating System   
Question 9
Which is the correct definition of a valid process transition in an operating system?
A
Wake Up: ready \rightarrow running
B
Dispatch: ready \rightarrow running
C
Block: ready \rightarrow running
D
Timer runout: ready \rightarrow block
Operating System   Process
Question 10
The correct matching of the following pairs is
\begin{array}{|l|l|l|l|} \hline \text{A.} & \text{Disk check} & \text{i.} & \text{Round robin} \\\hline \text{B.}& \text{Batch processing} & \text{ii.} & \text{Scan} \\\hline \text{C.} & \text{Time sharing} & \text{iii.} & \text{LIFO} \\\hline \text{D.} & \text{Stack operation} & \text{iv.} & \text{FIFO} \\\hline \end{array}
A
A-iii, B-iv, C-ii, D-i
B
A-iv, B-iii, C-ii, D-i
C
A-iii, B-iv, C-i, D-ii
D
A-ii, B-iv, C-i, D-iii
Operating System   CPU Scheduling
There are 10 questions to complete.

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